fixed image updaload script
updated receiver and map resources
updated dummy data generation script
fixed image upload script
updated setings.py
Updated class 'HardcodedReceiverDAO'.
Refactored class 'ComPortDataReaderRunnable'.
Added logger to 'DatabaseDataWriterRunnable' class.
Fixed a bug in 'DataProcessorRunnable' class.
Commented out 'System.out.println' lines in 'SerialComm' class.
Added delegated call methods to 'MainFrame' class.
Fixed a bug in 'MapPreviewPanel' class.
Fixed a bug when choosing an algorithm in 'ParametersPanel' class.
Fixed a bug when initializing reader and writer in 'Application' class.
Updated log file.
Added 'DirectMapUploadTest' class.
Added 'loadImageAsBytes' method to 'Utilities' class.
Merge branch 'master' of https://github.com/mushfiq/rssi-system into comReaderDanilo